Space Exploration

At a stay in Biosphere 2, I went in skeptical but learned to understand why analog astronauts love what they do

Tiny spheres of once-molten metal magnetically dredged from the seafloor could be pieces from IM1, a potential interstellar meteor that struck Earth in 2014

Astrophysics reminds us that earthly beauty has stellar origins

Privately owned space colonies are more likely to be totalitarian nightmares than libertarian utopias

Here’s how the winners of NASA’s Deep Space Food Challenge are making food out of thin air

More and better data are required to solve the mystery of strange apparitions in the air, the sea and space, according to NASA’s Unidentified Anomalous Phenomena Independent Study team

Researchers have gained a new view of the journey ahead for the twin Voyager spacecraft and other probes bound on one-way trips into interstellar space

Boeing's first Starliner flight for NASA astronauts was scheduled for July 21, but is now delayed—perhaps indefinitely

How realistic is it to expect to find enough ice on the moon to support human habitation?

Specialists speculate that a Chinese spacecraft that spent nine months in Earth’s orbit might be similar to a U.S. space plane, and it could have research or military uses

SpaceX’s Starship launch site in southern Texas is now the subject of a lawsuit after the vehicle’s first flight caused concerning damage

NASA is again sending people to the moon. The agency must revamp its safety reporting procedures to protect everyone involved